Locomotive type: Tank Engine
Gauge: 5 inch, re-gauged for use in the United States to 4-3/4 inch.
Wheel Arrangement: 0-6-0
Wheel Diameter at the tread: 4-3/8"
Cylinders: Two, outside the frames, each with a bore of 1-9/16" as per drawing, reduced to 1-3/8" as built.
Reversing Gear: Walschaerts, with screw type control to gear.
Steam Admission Valves to Cylinders: Outside slide type, or, "D" type.
Stroke: 2-1/8"
Boiler Working Pressure: 100 p.s.i.
Boiler Spec: Traditional locomotive style boiler with fire tubes. All copper and silver solder construction. Barrel diameter is 5", length including fire box is 19". There are 14 fire tubes at 7/16" o.d. and 3 tubes at 3/4" o.d. for the super heater elements.
Fuel: Coal
Overall Length: 32" approx.
Weight: 120 pounds approx.